org.openvoters.android.tasks.RemoteAPIVoteTask.java Source code

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Here is the source code for org.openvoters.android.tasks.RemoteAPIVoteTask.java

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/*
 *   This file is part of OpenVoters, the open library for mobile voting.
 *
 *   OpenVoters is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   OpenVoters is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with OpenVoters.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

package org.openvoters.android.tasks;

import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.json.JSONObject;
import org.openvoters.android.data.Item;
import org.openvoters.android.remote.RemoteAPI;
import org.openvoters.android.remote.callback.RemoteAPIVoteCallback;

import android.os.AsyncTask;
import android.util.Log;

public class RemoteAPIVoteTask extends AsyncTask<Object, Void, Boolean> {

    RemoteAPIVoteCallback callback;
    Exception exc;
    String uniqueVoterID;

    @Override
    protected Boolean doInBackground(Object... params) {
        callback = (RemoteAPIVoteCallback) params[0];
        Item party = (Item) params[1];
        uniqueVoterID = (String) params[2];

        try {
            String remoteAPIURL = String.format("%s/%s", RemoteAPI.getBaseURL(), "vote");
            makeRequest(remoteAPIURL, party, uniqueVoterID);
            return Boolean.TRUE;

        } catch (Exception e) {
            Log.e("Remote API", String.format("Errore (%s): %s", e, e.getLocalizedMessage()));

            e.printStackTrace();
            exc = e;
            return Boolean.FALSE;
        }
    }

    @Override
    protected void onPostExecute(Boolean result) {
        super.onPostExecute(result);

        if (callback != null) {
            if (result) {
                callback.onSuccess();
            } else {
                callback.onError(exc);
            }
        }
    }

    public static HttpResponse makeRequest(String path, Item item, String uniqueID) throws Exception {
        JSONObject holder = new JSONObject();
        holder.put("candidate", item.getID());
        holder.put("ID", uniqueID);

        int TIMEOUT_MILLISEC = 10000;
        HttpParams httpParams = new BasicHttpParams();
        HttpConnectionParams.setConnectionTimeout(httpParams, TIMEOUT_MILLISEC);
        HttpConnectionParams.setSoTimeout(httpParams, TIMEOUT_MILLISEC);
        HttpClient client = new DefaultHttpClient(httpParams);

        HttpPost request = new HttpPost(path);
        request.setEntity(new ByteArrayEntity(holder.toString().getBytes("UTF8")));
        HttpResponse response = client.execute(request);
        return response;
    }
}